A place like the Right Livers' Rest was bound to draw freaks, same as molasses draws flies. 1935, George Goodchild, chapter 5, in Death on the Centre Court: By one o'clock the place was choc-a-bloc.
Swallowing certain types of poisons may cause excessive salivation. According to the National Library of Medicine, pesticides can cause excessive saliva when they are swallowed. Venom from snake bites or insect stings is another type of poisoning that can cause the malady.
Causes. Saliva (spit) is produced by the salivary glands in the mouth. The chemicals in saliva can form a hard crystal that can block the salivary ducts. When saliva cannot exit a blocked duct, it backs up into the gland.